CVE-2021-31385 is a path traversal vulnerability in the J-Web component of Juniper Networks Junos OS, affecting numerous versions across multiple release trains. This flaw allows any low-privileged authenticated attacker to escalate their privileges to root. With a CVSS score of 8.8 (High), it presents a significant risk due to its low attack complexity and high impact on confidentiality, integrity, and availability. While no active exploitation, public exploit code, or significant community discussion has been observed, organizations using affected Junos OS versions should prioritize patching to mitigate this critical vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 12.3, < 12.3R12-S19CPE match | cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* | ||
>= 15.1, < 15.1R7-S10CPE match | cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* | ||
>= 18.3, < 18.3R3-S5CPE match | cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* | ||
>= 18.4, < 18.4R3-S9CPE match | cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* | ||
>= 19.1, < 19.1R3-S6CPE match | cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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